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56145543761370 = 23575319727779221
BaseRepresentation
bin11001100010000011001110…
…01100010000110111011010
321100210110110110221221201110
430301001213030100313122
524324342033200330440
6315224523504201150
714553244625455230
oct1461014714206732
9240713413857643
1056145543761370
1116987211818648
1263694710091b6
13254366b03b31b
14dc165cdd0950
1567571b380080
hex331067310dda

56145543761370 has 256 divisors, whose sum is σ = 157775219407872. Its totient is φ = 12521346539520.

The previous prime is 56145543761353. The next prime is 56145543761431. The reversal of 56145543761370 is 7316734554165.

It is a self number, because there is not a number n which added to its sum of digits gives 56145543761370.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6088873360 + ... + 6088882580.

It is an arithmetic number, because the mean of its divisors is an integer number (616309450812).

Almost surely, 256145543761370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56145543761370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78887609703936).

56145543761370 is an abundant number, since it is smaller than the sum of its proper divisors (101629675646502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56145543761370 is a wasteful number, since it uses less digits than its factorization.

56145543761370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12265.

The product of its (nonzero) digits is 31752000, while the sum is 57.

The spelling of 56145543761370 in words is "fifty-six trillion, one hundred forty-five billion, five hundred forty-three million, seven hundred sixty-one thousand, three hundred seventy".